[alberg30] Re: Under the stanchions

[Jacques Guerette]

From: "Jacques Guerette" <Jacques.Guerette.jguerett at nt.com>

Yes, I've got plates topside and underside, both of which have a larger unit
area than the staunchion base.  This spreads the load and helps "sandwich"
the deck material so that cracks do not develop.

Jacques

> -----Original Message-----
> From:	Guy Lalonde [SMTP:guy.lalonde at sympatico.ca]
> Sent:	Tuesday, December 08, 1998 7:46 PM
> To:	alberg30
> Subject:	[alberg30] Re: Under the stanchions
> 
> From: "Guy Lalonde" <guy.lalonde at sympatico.ca>
> 
> Thanks George, Jacques.
> 
> Having confirmed that the balsa core extends under the
> stanchion base, my plan of action basically will be as
> you outlined: seal the holes with epoxy as outlined in
> the West Epoxy "Fiberglass Boat Repair & Maintenance"
> manual and put a stainless steel backing plate under deck
> to spread the loads.
> West even suggests bonding the hardware to the deck with
> epoxy, they claim it can be removed later if needed by
> using a heat gun. Not sure I want to do that. Has anybody
> ever done that ?
> 
> Jacques, why did you also put a backing plate above deck
> under the stanchion base ? Is that plate larger than the
> stanchion base ?
> 
> Guy        Cyrena #466
> guy.lalonde at sympatico.ca
> 
> -----Original Message-----
> From: Jacques Guerette <Jacques.Guerette.jguerett at nt.com>
> To: 'alberg30 at onelist.com' <alberg30 at onelist.com>
> Date: Monday, December 07, 1998 1:34 PM
> Subject: [alberg30] Re: Under the stanchions
> 
> 
> >From: "Jacques Guerette" <Jacques.Guerette.jguerett at nt.com>
> >
> >Guy,
> >You may also want to think about fashioning large aluminum plates that
> fit
> >under the staunchion base and thru bolt to a twin plate under the deck.
> >This increase in surface area helps spread shock loads which should
> reduce
> >cracking around the staunchion base.  I've done this with my boat.
> >
> >Jacques
> >> -----Original Message-----
> >> From: George Dinwiddie [SMTP:gdinwiddie at min.net]
> >> Sent: Monday, December 07, 1998 12:13 PM
> >> To: alberg30 at onelist.com
> >> Subject: [alberg30] Re: Under the stanchions
> >> 
> >> From: George Dinwiddie <gdinwiddie at min.net>
> >> 
> >> On the balsa-cored boats (except, I think, the first few) the
> >> balsa core runs all the way out to the edge.  Rebed them sooner.
> >> In fact, I'd suggest sealing the holes with epoxy before
> >> rebedding them.  Whitby had an unfortunate habit of making
> >> holes through the balsa core that eventually gets wet.
> >> 
> >>  - George
> >> 
> >> > Guy Lalonde said:
> >> > 
> >> > About the stanchions on the A30, what is under them ?
> >> > Solid glass or core sandwich like the rest of the deck structure,
> >> > or put another way, does the sandwich structure extend to the=20
> >> > area under the stanchions? Are the masonite cored decks any=20
> >> > different than the balsa cored decks in that area ? (Mine is balsa).
> >> > 
> >> > The reason I'm asking is that if it is not solid glass under the
> >> > stanchions, then I will re-bed & re-seal the stanchion bases
> >> > sooner rather than later to prevent any possible delamination=20
> >> > damage because they are fastened right through the deck and
> >> > may allow water to seep into the core.
> >> > 
> >> > Cheers to all,
> >> > Guy        Cyrena #466
> >> > guy.lalonde at sympatico.ca   =20
> >> 
> >> -- 
> >>  ----------------------------------------------------------------------
> >>   George Dinwiddie                                  gdinwiddie at min.net
> >>   The gods do not deduct from man's allotted span those hours spent in
> >>   sailing.          http://ourworld.compuserve.com/homepages/Alberg30/
> >>  ----------------------------------------------------------------------
> >> 
> >> 
> >>
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